Public bug reported:

The problem happens when changing the ring size of a mlx5_core interface that 
is part of a LACP bond.

[268312.721076] mlx5_core 0000:42:00.1 enp66s0f1: mlx5e_update_carrier:143: 
Link up
[268312.721940] mlx5_core 0000:42:00.1 enp66s0f1: speed changed to 0 for port 
enp66s0f1
[268312.732089] bond0: link status up again after 0 ms for interface enp66s0f1


the upstream commit "bonding: allow notifications for bond_set_slave_link_state 
" fix the issue, will cherry-pick and send to xenial git tree.


Thanks,
Talat

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1687877

Title:
  bonding - mlx5 - speed changed to 0 after changing ring size

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